Home / 88,001,872.20-132,201,873.90-61,128,016.20

Finding the Fourth Proportional to 88,001,872.20, 132,201,873.90 and 61,128,016.20

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Solution

The fourth proportional to 88,001,872.20, 132,201,873.90 and 61,128,016.20 is: 91,830,299.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,001,872.20 : 132,201,873.90 = 61,128,016.20 : x
  2. Step 2: Convert to fraction form
    88,001,872.20/132,201,873.90 = 61,128,016.20/x
  3. Step 3: Cross multiply
    88,001,872.20x = 132,201,873.90 × 61,128,016.20
  4. Step 4: Simplify right side
    88,001,872.20x = 8,081,238,289,429,558
  5. Step 5: Solve for x
    x = 8,081,238,289,429,558/88,001,872.20
  6. Step 6: Final answer
    x = 91,830,299.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.